GNU Autoconf Archive branch master updated. v2015.09.25-55-g5938bcd

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- Log -----------------------------------------------------------------
commit 5938bcd466f161b839a957451917dae9395ddb76
Merge: 32e0c75 6282224
Author: Peter Simons <address@hidden>
Date:   Wed Mar 9 20:12:25 2016 +0100

    Merge pull request #66 from dryman/opengl
    
    Improved three opengl autoconf macros

commit 628222484291e60f12e7bf3e889b9c45354703c7
Author: dryman <address@hidden>
Date:   Wed Mar 9 10:35:57 2016 -0800

    Fix ax_restore/save_flags_with_prefix.m4
    
    Need to use AC_DEFUN instead of m4_define

commit 985e769cd7ad0c54d6adb5105b37b4ed724fa94a
Author: dryman <address@hidden>
Date:   Mon Jan 11 20:32:36 2016 -0800

    Improved three opengl autoconf macros
    
    Main features added:
    - Support action-if-found and not-found hook
    - Export HAVE_GL, HAVE_GLU, and HAVE_GLUT preprocessor symbol
    - Add necessary flags to CFLAGS/LIBS by default, but can be disabled by
      overwritting action-if-found hook.
    - Fail the configure script if lib not found. This feature can be disabled 
by
      overwritting action-if-not-found hook
    - Fix problems on Mac OSX. Been tested on Linux (Ubuntu) and OSX
    - Use --with-xquartz-gl instead of --with-gl=x for using X11 on OSX
    
    Two new macros added:
    - ax_save_flags_with_prefix.m4: save flags and pushes flag with prefix to 
the
      flag.
      AX_SAVE_FLAGS_WITH_PREFIX([GL],[[CFLAGS],[LIBS]]) would expands to
        gl_saved_flag_cflags="$CFLAGS"
        gl_saved_flag_libs="$LIBS"
        CFLAGS="$GL_CFLAGS $CFLAGS"
        LIBS="$GL_LIBS $LIBS"
    - ax_restore_flags_with_prefix.m4: restore the flags.

commit 32e0c7587a5def595298216fd37f4770c1f02187
Merge: 246e642 c376e95
Author: Peter Simons <address@hidden>
Date:   Mon Mar 7 11:01:12 2016 +0100

    Merge pull request #64 from bluca/ax_code_coverage_cxx
    
    Add C++ support to ax_code_coverage.m4

commit c376e95b981f45eb44a643e73c3495dd8fb1c22c
Author: Luca Boccassi <address@hidden>
Date:   Fri Mar 4 23:18:27 2016 +0000

    Add C++ support to ax_code_coverage.m4
    
    Simply define CODE_COVERAGE_CXXFLAGS with the same value as
    CODE_COVERAGE_CFLAGS. Tested on libzmq (a C++ project).

-----------------------------------------------------------------------

Summary of changes:
 m4/ax_check_gl.m4                                  |  585 ++++++--------------
 m4/ax_check_glu.m4                                 |  420 ++++++---------
 m4/ax_check_glut.m4                                |  289 ++++------
 m4/ax_code_coverage.m4                             |   23 +-
 ..._support.m4 => ax_restore_flags_with_prefix.m4} |   42 +-
 ...issing_prog.m4 => ax_save_flags_with_prefix.m4} |   52 ++-
 6 files changed, 504 insertions(+), 907 deletions(-)
 copy m4/{ax_swig_multi_module_support.m4 => ax_restore_flags_with_prefix.m4} 
(63%)
 copy m4/{ax_missing_prog.m4 => ax_save_flags_with_prefix.m4} (56%)


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